45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
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// Projectname: SWEB
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// Simple operating system for educational purposes
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//
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// Copyright (C) 2005 Andreas Niederl
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "unistd.h"
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#include "sys/syscall.h"
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#include "../../../common/include/kernel/syscall-definitions.h"
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/**
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* Writes to a file descriptor.
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* Up to count bytes from the provided buffer are written to the given file.
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*
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* If the given file is capable of seeking, the write will start at the file
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* position associated with the descriptor. This offset is incremented by
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* the number of bytes actually written.
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*
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* @param file_descriptor file descriptor referencing the file to write
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* @param buffer the buffer where the write data will be placed
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* @param count the number of bytes to write
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* @param offset the absolute offset where the write operation starts
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* @return the number of bytes written on success, 0 if count is zero or\
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nothing was written, and -1 if an error occured
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*
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*/
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ssize_t write(int file_descriptor, const void *buffer, size_t count)
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{
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return __syscall(sc_write, file_descriptor, (long) buffer, count, 0x00,
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0x00);
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}
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